1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
use anyhow::Result;
use ratatui::{
layout::{Constraint, Rect},
style::{Style, Stylize},
text::Span,
widgets::{Block, Borders, HighlightSpacing, Paragraph, Row, Table, TableState},
Frame,
};
use crate::{app_state::AppState, exercise::Exercise, progress_bar::progress_bar_ratatui};
#[derive(Copy, Clone, PartialEq, Eq)]
pub enum Filter {
Done,
Pending,
None,
}
pub struct UiState<'a> {
pub table: Table<'static>,
pub message: String,
pub filter: Filter,
app_state: &'a mut AppState,
table_state: TableState,
selected: usize,
last_ind: usize,
}
impl<'a> UiState<'a> {
pub fn with_updated_rows(mut self) -> Self {
let current_exercise_ind = self.app_state.current_exercise_ind();
let mut rows_counter: usize = 0;
let rows = self
.app_state
.exercises()
.iter()
.zip(self.app_state.progress().iter().copied())
.enumerate()
.filter_map(|(ind, (exercise, done))| {
let exercise_state = if done {
if self.filter == Filter::Pending {
return None;
}
"DONE".green()
} else {
if self.filter == Filter::Done {
return None;
}
"PENDING".yellow()
};
rows_counter += 1;
let next = if ind == current_exercise_ind {
">>>>".bold().red()
} else {
Span::default()
};
Some(Row::new([
next,
exercise_state,
Span::raw(&exercise.name),
Span::raw(exercise.path.to_string_lossy()),
]))
});
self.table = self.table.rows(rows);
self.last_ind = rows_counter.saturating_sub(1);
self.select(self.selected.min(self.last_ind));
self
}
pub fn new(app_state: &'a mut AppState) -> Self {
let header = Row::new(["Next", "State", "Name", "Path"]);
let max_name_len = app_state
.exercises()
.iter()
.map(|exercise| exercise.name.len())
.max()
.unwrap_or(4) as u16;
let widths = [
Constraint::Length(4),
Constraint::Length(7),
Constraint::Length(max_name_len),
Constraint::Fill(1),
];
let table = Table::default()
.widths(widths)
.header(header)
.column_spacing(2)
.highlight_spacing(HighlightSpacing::Always)
.highlight_style(Style::new().bg(ratatui::style::Color::Rgb(50, 50, 50)))
.highlight_symbol("🦀")
.block(Block::default().borders(Borders::BOTTOM));
let selected = app_state.current_exercise_ind();
let table_state = TableState::default()
.with_offset(selected.saturating_sub(10))
.with_selected(Some(selected));
let slf = Self {
table,
message: String::with_capacity(128),
filter: Filter::None,
app_state,
table_state,
selected,
last_ind: 0,
};
slf.with_updated_rows()
}
fn select(&mut self, ind: usize) {
self.selected = ind;
self.table_state.select(Some(ind));
}
pub fn select_next(&mut self) {
let next = (self.selected + 1).min(self.last_ind);
self.select(next);
}
pub fn select_previous(&mut self) {
let previous = self.selected.saturating_sub(1);
self.select(previous);
}
#[inline]
pub fn select_first(&mut self) {
self.select(0);
}
#[inline]
pub fn select_last(&mut self) {
self.select(self.last_ind);
}
pub fn draw(&mut self, frame: &mut Frame) -> Result<()> {
let area = frame.size();
frame.render_stateful_widget(
&self.table,
Rect {
x: 0,
y: 0,
width: area.width,
height: area.height - 3,
},
&mut self.table_state,
);
frame.render_widget(
Paragraph::new(progress_bar_ratatui(
self.app_state.n_done(),
self.app_state.exercises().len() as u16,
area.width,
)?)
.block(Block::default().borders(Borders::BOTTOM)),
Rect {
x: 0,
y: area.height - 3,
width: area.width,
height: 2,
},
);
let message = if self.message.is_empty() {
// Help footer.
Span::raw(
"↓/j ↑/k home/g end/G │ filter <d>one/<p>ending │ <r>eset │ <c>ontinue at │ <q>uit",
)
} else {
self.message.as_str().light_blue()
};
frame.render_widget(
message,
Rect {
x: 0,
y: area.height - 1,
width: area.width,
height: 1,
},
);
Ok(())
}
pub fn reset_selected(&mut self) -> Result<&'static Exercise> {
self.app_state.set_pending(self.selected)?;
// TODO: Take care of filters!
let exercise = &self.app_state.exercises()[self.selected];
exercise.reset()?;
Ok(exercise)
}
#[inline]
pub fn selected_to_current_exercise(&mut self) -> Result<()> {
// TODO: Take care of filters!
self.app_state.set_current_exercise_ind(self.selected)
}
}
|
